Professional Microphones
Contents
1. MicW s H Series With optional adapters the microphone can be used with virtually any manufacturer s wireless beltpack system Connector options LC131AK Microdot to TA3F LC241SH Microdot to TA4F e LCO31SE Microdot to mini jack for connection to an AKG for connection to a SHURE with thread for connection toa transmitter transmitter Sennheiser transmitter e LCO32SE Microdot to Lemo e LC441MW Microdot to mobile for connection to a Sennheiser device for connection to iPhone transmitter iPad and other smart devices The H825 Kit contains the following items e 1 Connector of choice Microdot to Sennheiser Minijack LCO31SE or Microdot to AKG LC131AK or Microdot to Shure LC241SH or Microdot to Sennh 3 pin Lemo 1 Croc Clip CL028 LCO32SE or Microdot to iPhone 3 5mm Jack LCA41MW tm J 10 Sticky Tape Em o TPO1 1 H825 Microphone vith A Microdot connector rF r 5 Windscreen yellow WS018 19 E MicW s E Series is the perfectmicrophone range for start up recordists recording musicians and sound hobbyists E Series s microphones offer both great sound and amazing value for money il E pmm E ES HN NN EXE zm 7 Hm uj MicW s E Series E Series E stands for Entry Level This microphone range is derived from the N Series but uses a less expensive capsule Neverthele2. MicW s E Series E150 Series Modular Microphone New Technology Natural Sound With the E150 Series MicW once again breaks new ground For the first time a micro perforated stainless steel panel is used as a front grille an incredible 2 300 holes with a diameter of just 0 25mm The resulting effect on the sound is significant Popping and sibilance are greatly reduced without any negative impact on the overall quality This technology is very common in aerospace and industrial audio measurement It enables every nuance detail of the signal is transmitted unaltered Recordings sound extremely natural and rounded with high resolution and transient response Micro Perforated Technology Applications He R0 a Specifications Microphone E150 Capusle E151 E152 E153 Polar pattern Cardioid Hypercardioid Omni Capsule diameter 20 mm Sensitivity 3dB 42 dB re 1v Pa Frequency response 20 Hz 20kHz Power supply 48V phantom power Total harmonic distortion THD lt 1 up to 135 dB SPL peak Thermal noise lt 17 dBA Output impedance lt 100 Ohm Length 155mm weight 185g Connector 3 pin XLR The polar pattern and frequency response graphs are available on the MicWaudio com website Ju 23 24 MicW s E Series The E150 modular microphone offers a choice of omni cardioid and super cardioid cond
3. However in this series it s the absolute highlight Made from pure titanium the T Series 38mm capsule is manufactured under clean room conditions using a special secret process Why Titanium For a capsule of this size the material must meet several very specific requirements Light weight Robust construction Optimum vibration characteristics This particular combination can only be found with pure titanium The capsule housing is made from solid copper providing the necessary weight to effectively suppress resonances Following manufacture each capsule spends 24 hours in a climate chamber being artificially aged This helps prevent the sound changes that can often occur through standard ageing Preferred Recommanded Microphone Placement A LAL L There is a common view in the recording industry Backing vocals Grand piang that sound from a properly miked high quality Bongos Upright piano instrument played by a skilled musician can be Congas Cello sent directly to a DAW recording device with Cymbals Clarinet little or no modification necessary Horn Tom tom The T Series capsule housing contains an integral Hi hat Violin pop filter Harmonica Guitar amplifier Flute Bass amplifier Trumpet Woodwind Trombone Marimba Sax MicW s T Series T551 Cardioid LCD MicW s T Series offers new and innovative microphone technology The T551 cardioid LCD model
4. SPL lt 1 THD 130 dB Equ noise level lt 30 dBA Output impedance lt 600 Ohm Maximum sensitivity change due to Temperature 10 to 50 C 1 0 dB Humidity up to 98 RH Pressure 65 to 115 kPa Length 144mm Weight 110g Connector 3 pin XLR 27 28 M215 Measurement Microphone The M215 is a calibrated measurement microphone with a detachable Yo capsule It complies with the IEC 61094 and IEC 61672 Class 1 sound level meter standards that are widely used during technical reference measurement in professional audio environments such as theaters recording studios control room design and stage acoustics Applications Specifications Microphone M215 Type Pre polarized condenser Capsule diameter 12 7mm Polar pattern Omni Sensitivity 2dB 40mV Pa Frequency response 20Hz 31 5kHz Power supply 48V phantom power Max SPL lt 1 THD 135 dB Equ noise level lt 18 dBA Output impedance lt 75 Ohm Temperature coefficient dB eC 0 009 Humidity coefficient dB 90RH 0 001 Pressure coefficient dB kPa 0 008 Length 155mm Weight 120g Connector 3 pin XLR MicW s M Series I Series The i Series microphones are innovatively designed for use with iPhones smartphones DSLR and GoPro cameras They offer outstanding performance in a range of audio measurements recording broadcasting and sport events applications The iGoMic a new membe
5. Calibrator Applications Specifications Microphone N241 Type Pre polarized condenser Capsule diameter 12 7mm Polar pattern Omni Sensitivity 2dB 26mV Pa Frequency response 20Hz 40kHz Power supply 48V phantom power Max SPL lt 1 THD 140 dB Equ noise level lt 22 dBA Output impedance lt 750hm Length 150mm Weight 120g Connector 3 pin XLR 11 The N Series is due to its sm TV and Video live productio 3 MicW s N Series CN201 Compact Microphone The omnidirectional CN201 compact microphone has a similar capsule to the N201 However its small footprint makes it ideal for direct instrument miking in orchestral environments as well as for use on drums overheads string sections etc Applications Specifications Microphone CN201 Type Pre polarized condenser Capsule diameter 12 7mm 2 Polar pattern Omni Sensitivity 2dB 40mV Pa Frequency response 20Hz 20kHz Power supply 48V phantom power Max SPL lt 1 THD 135dB Equ noise level 18 dBA Output impedance 200 Ohm Cable length 3m Mic Length 22mm Weight 34g Connector 3 pin XLR 13 14 m us L Series _ With their extremely sm all size and superior EMI protection MicW s new L Series professional lavalier microphones deliver maximum performance in situations where microphone invisibility is imp
6. pure sound with no added color Due to their discreet size the CN Series microphones are ideal for close miking of instruments during live performances and TV production work Preferred Recommanded Acoustic guitar Ensemble choir Acoustic bass Solo vocals Double bass Grand piano Backing vocals Upright piano Bongos Cello Congas Clarinet Cymbals Tom tom Horn Violin Hi hat Guitar amplifier Harmonica Bass amplifier Flute Woodwind Trumpet Marimba Trombone Kick drum Sax brass Mallets Bassoon What s in the N Series box N Series microphones are supplied in a hard plastic case with professional shock mount windscreen and frequency test report included N101 Large Diaphragm The N101 is an omnidirectional microphone with 1 capsule and totally transparent preamplifier The capsule design includes stainless steel housing and a 5um thick nickel diaphragm The diaphragm tension is carefully adjusted during manufacture to ensure a frequency response of 20Hz 20kHz The N101 offers a totally transparent audio path with an exceptionally low noise floor and an SPL handling capability of 135dB The N101 Pair is a state of the art stereo kit featuring two matched N101 microphones Each pair has a guaranteed sensitivity match to within 0 5 dB and a phase match to within 59 Applications Specifications Microphone N101 Type Pre polarized con
7. A was founded in 1998 as a joint venture between the Chinese Academy of Sciences and five sound engineers looking to market high quality affordable measurement microphones Today BSWA microphones are widely used in aerospace automotive and environmental noise measurement The experience and expertise gained from designing and manufacturing measurement microphones has enabled BSWA to create MicW a microphone brand primarily aimed at the pro audio and music oriented markets Unique methods are used in the production of MicW s microphone capsules the heart of any microphone resulting in enhanced performance increased reliability greater sound definition and transparency MicW capsule diaphragms are made from titanium nickel stainless steel and polymer composites ensuring that the best material is always used for a specific design Carefully selected quartz insulating material is also used in the microphone construction to guard against high temperatures and humidity Each capsule is individually calibrated using the free field method in accordance with IEC 61049 measurement microphone standards and aged in an environmental chamber for long term stability Quality Assurance As a leader in the field of microphone technology MicW invests heavily in product research and development The company s main design campus and manufacturing facilities are located in Beijing China and include anechoic chambers clean rooms environmental rooms and p
8. CB030M 30cm Plastic box mini USB 30cm 3 5mm stereo cable male mini jack 33 34 Company profile Renowned for its pure clean sound quality craftsmanship and elegant styling MicW prides itself in designing and manufacturing high quality high performance microphones for a wide range of audio measurement and recording applications MicW microphones and accessories are a perfect choice when only the best will do for vocal instrumental broadcast film and video recording MicW s product ranges include the E Series entry level microphones i Series microphones for iOS and other portable devices L Series lavalier microphones M Series test measurement microphones N Series nickel diaphragm high performance microphones H Series headworn microphones and the T Series titanium diaphragm large diameter microphone Features Flat frequency response for pure sound without unwanted coloring e Titanium nickel stainless steel and polymer composite capsule diaphragm designs for the best possible microphone frequency response e Excellent high humidity performance Fast transient response wide dynamic range low noise floor with models that easy handle up to 160 dB SPL Quality assurance through ISO 9001 certification Ec c u MicW i Series microphones for phon IPod le ane gipesreabile devices Wa B Rent Heritage MicW is a division of BSWA Technology Ltd a measurement microphone company BSW
9. Professional Microphones For Studio Broadcast and Live applications Introduction At MicW BSWA we are committed to the research design and manufacture of high quality microphones for measurement studio and broadcast use Passionate about pure sound captured or amplified we always demand the highest levels of craftsmanship and employ dedicated audio engineers test engineers and highly skilled craftsmen to produce the best possible products for an increasingly demanding market All our microphones undergo rigorous testing in a range of studio and other recording sessions that replicate actual customer applications Only the best quality materials such as nickel and titanium are used in our microphone ranges These include the nickel diaphragm N Series and the titanium large diaphragm T Series Both of these ranges have impressive specifications that result in clear pure sound Our innovative design approach combined with the use of high grade materials aims to bring you a new and exciting recording experience As well as researching new approaches we constantly strive for innovation 2011 saw the release of our i Series external professional microphones for iPhone iPad iPod Touch and other mobile devices with the i436 Class 2 mic in particular garnering an overwhelming amount of interest For more information on this series we invite you to read our new i Series brochure or visit http www micwaudio com We are proud tha
10. S051 WS052 WS054 Windscreen for M Series Windscreen for 1 mic Windscreen for 12 mic Windscreen for 4 mic 50mm diameter 50mm diameter 50mm diameter 31 WS092 Windscreen for 12 mic 90mm diameter WS094 Windscreen for 4 mic 90mm diameter AMO32 Acoustic equalizer 30mm diameter AM042 Acoustic equalizer 40mm diameter AMO052 Acoustic equalizer 50mm diameter GD012 Grid for N201 and N241 GD031 Grid for N101 and N151 GD041 Grid for N101 and N151 GD051 Grid for N101 and N151 CA114 Sound level calibrator CLO11 Collar clip for CN CLO12 Collar clip CLO20 CLO28 Rubber ring spare part Crocodile clip for PPO11 32 ap Wz TPO11 LCO31SE Windscreen for L Series Microdot to mini jack with thread for connection to a Sennheiser transmitter LCO32SE LC241SH LC131AK LCA41MW Microdot to Lemo Microdot to TAAF for Microdot to TA3F for Microdot to mobile for connection to a connection to a SHURE connection to an AKG device for connection to i f iPhone iPad and other Sennheiser transmitter transmitter transmitter smartdevices ig li F PI50 ATO11 PPO11 PB025 Microdot to XLR adaptor Storage tube for M Series Mic holder Plastic box for L Series provides 48V phantom power PB030 PB035 PB040 PB050 Plastic box for CN201 and Plastic box for H Series Plastic box for E150 Series Plastic box M Series and iGoMic PBO60 CB031U
11. at frequency response from 20Hz 20kHz with a low noise floor of 18dB A Acoustic accessories are also available for the N201 including directional modifiers and protection grids These modify the acoustic behavior of the microphone in terms of directional pattern and high frequency response The N201 Pair is a state of the art stereo kit featuring two matched N201 microphones Each pair has a guaranteed sensitivity match to within 0 5 dB and a phase match to within 59 Applications Specifications Microphone N201 Type Pre polarized condenser Capsule diameter 12 7mm 2 Polar pattern Omni Sensitivity 2dB 40mV Pa Frequency response 20Hz 20kHz Power supply 48V phantom power Max SPL 196 THD 135 dB Equ noise level 18 dBA Output impedance 75 Ohm Length 155mm Weight 120g Connector 3 pin XLR MiIcW s N Series N241 Reference The N241 is a reference microphone with all metal capsule Carefully engineered to give long term reliability and accuracy it has a linear frequency response of up to 40kHz achieved through superior acoustic and mechanical design The N241 can handle extreme sound levels up to 140dB Drums percussion brass and other powerful sound sources can be close miked with total accuracy for a clean undistorted dynamic sound Designed according to IEC 61094 standard dimensions the N241 can be calibrated using the BSWA CA 114 Sound Level
12. boasts a 1 5 38 mm titanium diaphragm and an elegant body design Offering remarkable flexibility the microphone s extremely wide range low distortion performance and temperature humidity resistance makes it suitable for a wide range of applications Applications Specifications Microphone T551 Type Pre polarized condenser Capsule diameter 38mm 1 5 Polar pattern Cardioid Sensitivity 3dB 40mV Pa Frequency response 20Hz 20kHz Power supply 48V phantom power Max SPL lt 1 THD 135 dB Equ noise level lt 16 dBA Output impedance lt 200 Ohm Length 163mm Weight 340g Connector 3 pin XLR edge technology Prod ts Airy Together with the com 201 the N Seri S Grovides a comprehensive range 0 lirectional and cav ioid models MiIcW s N Series N Series With their nickel diaphragm capsules and high quality preamplifiers N Series microphones deliver an extremely natural transparent sound with very high fidelity A 5um thick nickel membrane mounted in a stainless steel housing is optimized and manually stretched to enable the best transmission An elaborate process it is nevertheless the only way to achieve such an extraordinary sound quality N Series microphones are also remarkable for their very low noise floor and impressive SPLs up to 140dB max along with an unparalleled frequency response of 20Hz 40kHz This enables the microphones to deliver
13. denser Capsule diameter 23 8mm 1 Polar pattern Omni Sensitivity 2dB 50mV Pa Frequency response 20Hz 20kHz Power supply 48V phantom power Max SPL lt 1 THD 135 dB Equ noise level lt 18 dBA Output impedance lt 200 Ohm Length 157mm Weight 165g Connector 3 pin XLR MicW s N Series N151 Cardioid Large Diaphragm The N151 is a cardioid microphone with pressure gradient capsule The capsule uses similar construction materials to the N101 with a nickel diaphragm and stainless steel housing It is carefully handcrafted to provide optimal neutrality accuracy and extremely low distortion The first order cardioid pick up pattern gives superb separation between sound sources while spot miking in every kind of live music situation Applications Specifications Microphone N151 Type Pre polarized condenser Capsule diameter 23 8mm 1 Polar pattern Cardioid Sensitivity 2dB 32mV Pa Frequency response 20Hz 20kHz Power supply 48V phantom power Max SPL lt 1 THD 137 dB Equ noise level lt 19 dBA Output impedance lt 200 Ohm Length 157mm Weight 165g Connector 3 pin XLR N201 Standard Omni The N201 is an omnidirectional microphone with 1 2 capsule and totally transparent preamplifier It is suitable for the most critical recording applications that require extreme performance and environmental stability The microphone has a fl
14. dot to mobile for connection to a Sennheiser device for connection to iPhone transmitter iPad and other smart devices The L825 Kit contains the following items e 1 Connector of choice Microdot to Sennheiser mini jack LCO31SE or Microdot to AKG LC131AK or Microdot to Shure LC241SH or Microdot to Sennh 3 pin Lemo LCO32SE or Microdot to iPhone 3 5mm Jack LC441MW 1 Croc Clip CLO28 Microdot Connector Standard Connector for L Series L825 Microphone 5 Windscreen yellow ps WS018 5 Windscreen black WS018 10 Sticky Tape TPO11 H Series Headworn Microphones The headworn omnidirectional H825 is designed for applications such as spoken word singing keyboard vocal performance and other voice applications that require a headworn microphone with superior noise rejection and a smooth natural sounding frequency response The omnidirectional H825 has an extremely small capsule diameter only 4mm and is fitted with a very thin but robust cable which is durable enough for ENG use Applications Specifications Microphone H825 Type Condenser Capsule diameter 4 0mm Principle of operation Pressure Polar Pattern Omni Sensitivity 3dB 5 6mV Pa Frequency response 20Hz 20kHz Max SPL lt 0 1 THD 126dB Equ noise level 31dB A Power 0 8 5V DC Operating temperature 17 C 60 C Cable length 1 6m Connector Microdot
15. enser capsules The following packages cater for a range of recording applications and are highly recommended for students and start up engineers E150 Set microphone preamplifier cardioid E150 Stereo Set 2 x microphone preamplifier 2 capsule hyper cardioid capsule omni capsule x cardioid capsule 2 x super cardioid capsule 2 windscreen shock mount box user manual x omni capsule 2 x windscreen 2 times shock mount user manual E151 cardioid microphone preamplifier E152 super cardioid microphone preamplifier cardioid capsule windscreen shock mount super cardioid capsule windscreen shock mount E153 omni microphone preamplifier omni capsule windscreen shock mount EEMTUUT TL imi ie 2 j E a ap 1 Ep rag i le a re Lade 4VI S EM B n5 F Ili i ae MicW series professiol nal measur ment microph Comply 6t89zrand 1EC 61672isouind leyern cnr 975 Ee gt en ijicin E i Ali iskana a y A Ei EI MT z E EPI UE Pazu n bee APUG 26 M Series Measurement Microphones What makes a good measurement microphone for audio applications In addition to frequency response sensitivity omnidirectional polar pattern and dynamic range the IEC 61094 specification for measurement microphones lists two further requirements Calibration The microphone should be capable of being calibrated by one of the followin
16. g methods Calibration methods specified in IEC 61094 2 or IEC 61094 3 Comparison with a standard calibrated laboratory microphone Calibration using a sound calibrator as specified in IEC 60942 The majority of measurement microphones currently on the market lack calibration capability due to structural or dimensional limitations Environmental Sensitivity Stability The standards also specify that microphone sensitivity changes due to temperature humidity and static pressure should be within 0 03 dB C 0 001 dB and 0 03 dB kPa Most currently available measurement microphones do not meet these criteria or are not tested under specific environmental conditions MicW BSWA has 14 years of experience in manufacturing measurement microphones for industrial use The M Series measurement microphones for audio applications reflect that experience MicW s M Series M416 Measurement Microphone The M416 is a calibrated measurement microphone with a detachable 4 capsule It complies with the IEC 61672 Class 2 sound level meter standard and is suitable for measuring sound pressure in simple sound fields such as home recording studios and high end hi fi rooms Applications Specifications Microphone M416 Type Pre polarized condenser Capsule diameter 7mm 4 Polar pattern Omni Sensitivity 2dB 30mV Pa Frequency response 20Hz 20kHz Power supply 48V phantom power Max
17. ortant Omni and cardioid pick up patterns produce a warm clear sound that makes L Series microphones perfect partners for a range of applications including broadcast ENG conferences and stage work MicW s L Series L Series Lavalier Microphones The omnidirectional L825 and cardioid L855 lavalier microphones are highly recommended for on air productions and forum discussions They are also durable enough for ENG use Their discreet dimensions make them well suited to television and video production L825 Omnidirectional Applications Specifications Microphone L825 Type Condenser Capsule diameter 4 0mm Principle of operation Pressure Polar pattern Omni Sensitivity 3dB 5 6mV Pa Frequency response 20Hz 20kHz Max SPL lt 0 1 THD 126dB Equ noise level 31dB A Power 0 8 5V DC Operating temperature 17 C 60 C Cable length 1 6m Weight 1g Connector Microdot 15 16 MicW s L Series The L Series has been designed with a Microdot connector MicW also provides several breakout adapters see photo below for a wide range of wireless systems or XLR input applications Connector options LC131AK Microdot to TA3F LC241SH Microdot to TA4F e LCO31SE Microdot to mini jack for connection to an AKG for connection to a SHURE with thread for connection to a transmitter transmitter Sennheiser transmitter e LCO32SE Microdot to Lemo e LCA41MW Micro
18. r of the i Series is the latest innovative microphone from MicW 29 30 MicW s i Series iGoMic Stereo Microphone The iGoMic comprises an X Y stereo matched pair of microphone capsules specially designed for GoPro cameras Using a matched pair with capsules configured at 909 X Y coincident the iGoMic provides a wide stereo image with natural depth and is ideal for recording music sports events and ambient sound It is small lightweight and rugged It also can be used with DSLR and video cameras Applications Specifications iGoMic Stereo Microphone Type Capsules Electret Condenser Matched pair cardioid Principle of Operation Two capsules in XY stereo Polar Pattern XY coincident Sensitivity 3dB 42 dB Frequency Response 20Hz 20 KHz Maximum SPL 115dB S N ratio gt 55dB Impedance lt 2 2Kohm Power supply Plug and Play Operating Temperature 20 C 50 C Diameters 20mm Max 14 mm Min Length 51mm Weight 16g Connector 3 5 mm Stereo mini female Output Channels Stereo Left and Right Accessories I t PP190 PP290 PP390 PP590 Shock mount for N Series Shock mount for E Series Mic holder for M Series Shock mount for T Series ft ix PP591 WS015 WS018 WS022 Shock mount for T Series Windscreen for E150 Windscreen for L Series Windscreen for iGoMic Series H Series WS034 W
19. roduction areas MicW is committed to total quality management and is ISO 9001 certified ensuring that every product meets stringent performance standards 35 MicW Audio a division of BSWA Technology Ltd Add Unit 1003 North Ring Center No 18 Yumin Road Xicheng District Beijing 100029 China Phone 86 10 5128 5118 Fax 86 10 8225 1626 Email sales micwaudio com Web www micwaudio com European office Fred van Eijk Tel 31 6 538 00 254 Add Esdoorn 22B 6226TA Maastricht The Netherlands Email fred micwaudio com U S Office MicW USA Add P O Box 2289 Renton WA 98056 U S A Phone 425 998 3936 Fax 425 526 5817 Email qunyanm micwaudio com Pictures for reference only subject to our available products Mic 2 isa registered trademark of BSWA Technology Ltd China
20. ss the polymer gold layered diaphragm captures every detail in the sound field Offering amazing value for money E Series microphones are ideal for start up sound engineers recording musicians and hobbyists Preferred Recommanded Acoustic guitar Ensemble choir Acoustic bass Solo vocals Backing vocals Grand piano Bongos Upright piano Congas Cello Cymbals Clarinet Horn Tom tom Hi hat Violin Harmonica Guitar amplifier Flute Bass amplifier Trumpet Woodwind Trombone Marimba Sax brass Kick drum Outdoor bird sounds Mallets Overdubs 21 22 E216 Omnidirectional The E216 is an omnidirectional microphone with 1 2 capsule It offers extraordinary performance at a low cost The microphone s polymer diaphragm covered with a thin gold layer and its copper housing yield a flat frequency response up to 20kHz with excellent dynamic range and low self noise The E216 is ideal for miking delicate instruments and for spot miking during live performances and TV broadcast productions Applications Specifications Microphone E216 Type Pre polarized condenser Capsule diameter 12 7mm Polar pattern Omni Sensitivity 2dB 30mV Pa Frequency response 20Hz 20kHz Power supply 48V phantom power Max SPL lt 1 THD 135dB Equ noise level 28 dBA Output impedance 75 Ohm Length 155mm Weight 120g Connector 3 pin XLR
21. t our products can contribute to the optimization and refinement of your recordings live performances and broadcasts Our goals for 2013 14 include enhancing our product ranges and delivering increasingly high levels of service We also hope to meet you at one of this year s pro audio exhibitions where we will be pleased to demonstrate our products and discuss your particular requirements WU QUINLI PhD CEO A F AER T Series unique LDC titanium capsule N Series recording microphone for high end recording and broadcasting L Series professional Lavalier microphones for TV ENG video production and stage applications H Series headworn microphones E Series for interviews ENG podcasts and film video production M Series measurement microphones complying with the IEC 61094 and IEC61672 Sound Level Meter standards i Series Professional Microphones are designed especially for iOS devices like the iPad iPhone and iPod Touch but can also be used in other mobile devices T Series MicW s T Series offers new an BindUative microphone technology The T551 cardioi CS model boasts a 1 5 38 mm titanium diaphragm and n elegant body design Offering remarkable flexibility the mi E extremely wide range low distortion perfor resistance makes it suitable f MicW s T Series The T Series General Description The capsule is the most important element of any microphone
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